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A method to predict breast cancer stage using Medicare claims

Grace L Smith1 email, Ya-Chen T Shih2 email, Sharon H Giordano3 email, Benjamin D Smith1,4 email and Thomas A Buchholz1 email

Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd Houston, Texas 77030, USA

Department of Biostatistics, Section of Health Services Research, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, Texas 77030, USA

Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd, Houston, Texas 77030, USA

Radiation Oncology Flight, Wilford Hall Medical Center, Lackland Air Force Base, San Antonio, Texas 78236, USA

author email corresponding author email

Epidemiologic Perspectives & Innovations 2010, 7:1doi:10.1186/1742-5573-7-1

Published: 15 January 2010

Additional files

Additional file 1:

Table S1. Candidate Covariates and Claims Codes. Table S2. Prediction Equations. Parameter estimates for stage IV versus stages I-III disease and for stage. I/II versus stage III disease. Table S3. Test Characteristics After Applying Prediction Equations on Validation Set Samples.

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